How often does this site update Recall Information? on 2006 Ford Five Hundred

I have a letter from Ford dated December 2012 on an IDL RPM Throttle Body. This site shows no Recalls issued as of March 2013.

Asked by for the 2006 Ford Five Hundred
did you rec a notice from ford on this recall? if not call with your vin# and they will adv
Thank you, ya I am just not comfortable taking it to Ford. Don't trust them. But I guess I will have to...